Double screen on Xiaomi: how to turn on and configure on your TV or smartphone

The dual screen feature on Xiaomi devices allows you to use two image sources simultaneously – for example, watching a movie on half the screen, and on the second display information from a smartphone, game console or PC. This technology is especially useful for multimedia centers based on Mi. TV, But it's also available on some of the brand's flagship smartphones, but not all users know how to properly activate and configure this mode to avoid performance or compatibility issues.

In this article, we will discuss all the official and hidden ways to include dual screen on Xiaomi Mi TVs. TV 4/5 Pro, Mi TV Q1/Q2, and on smartphones that support Mi Desktop Mode (for example, Xiaomi) 13 Ultra or Redmi K60 You will learn which models support the function, how to connect a second signal source, and what to do if the screen is not divided or the image is displayed incorrectly. Separately, we will dwell on the hidden developer settings that allow you to expand the capabilities of dual screen on unofficially supported devices.

Which Xiaomi devices support dual screen?

Not all Xiaomi gadgets are equipped with hardware support for split-screen.

• 📺 TVs: Mi TV 4S/5 Pro (2020–2026 ), Mi TV Q1/Q2, Mi TV A Pro, as well as models with processors MTK 9650 or amlogic T972. Support depends on the firmware version MIUI TV (lower 3.0).
• 📱 Smartphones: only flagship models with Snapdragon chips 8 Gen 2/3 and the Mi Desktop Mode function (e.g. Xiaomi) 13/14 series, Redmi K60 Ultra on budget devices (Redmi Note) 12, POCO X5) function.

To find out if your device supports dual screen, check:

1. For TVs: Go to Settings → System system → On TV. → If the firmware name has the word DualScreen (for example, MIUI TV 3.5.1 DualScreen – Available.
2. For smartphones: connect the device to an external monitor through USB-C → HDMI and check for the option to split the screen in the notification curtain.

On Xiaomi TVs with a diagonal of less than 55" the dual screen function may be disabled by the manufacturer due to resolution restrictions. TV 4A 43" mode is not available even after the firmware update.

How to Incorporate Double Screen on Xiaomi TV

Xiaomi TVs have three official ways to activate split-screen mode, and the choice of method depends on the model and firmware version.

Method 1: Through the settings menu (MIUI TV 3.0 and newer)

This is the easiest way that works on most of the brand’s modern TVs:

1. Turn on the TV and go to the main screen.
2. Press the Menu button on the remote and select Settings. → Screen and sound → Double screen mode.
3. Activate the switch to Turn on the dual screen.
4. Select the source for the second half of the screen: HDMI 1/2/3, Miracast or USB-C (if maintained).

Once activated, the screen will split into two equal parts. To change the proportions, click the Settings button on the remote and select the dual screen settings. → Side ratios available: 50/50, 60/40 or 70/30.

Method 2: Hot keys on the remote

On some models, the Mi TV Q2 75", Mi TV 5 Pro) the dual screen is switched on by a combination of buttons:

Press and hold the Home button on the remote for 3 seconds → select Double Screen in the menu that appears.

If the combination does not work, update the TV firmware to the latest version via Settings. → Update of the PO.

Method 3: Through the "Mi Home" app (for smart TVs)

If your TV is connected to the Xiaomi ecosystem through the Mi Home app, you can remotely control the dual screen:

1. Open the Mi Home app on your smartphone.
2. Select your TV from the list of devices.
3. Go to the Screen section. → Display modes.
4. Activate the dual screen option and select the signal sources.

Check the compatibility of the TV model

Update the firmware to the latest version

Connect the second signal source (HDMI/USB-C)

Make sure the remote is serviceable and has a charge

Disable energy saving mode in settings-->

Note: On Android TVs TV 11+ (Like Mi. TV Q2 2023) dual screen can automatically shut down when running resource-intensive applications (e.g., Netflix in the Internet). 4K). This is due to the processor performance limitations.

Setting up a dual screen on Xiaomi smartphones

On Xiaomi smartphones, the dual screen feature is implemented through Mi Desktop Mode, which allows you to connect the device to an external monitor and divide the screen between the mobile interface and desktop mode. However, full screen splitting (as on TVs) is available only on a limited number of models.

Step 1: Checking the support function

To find out if your smartphone supports dual screen, follow these steps:

1. Connect your smartphone to a monitor or TV via an adapter USB-C → HDMI (It is recommended to use the original adapter Xiaomi).
2. After connecting in the notification curtain, the option to split the screen or Desktop Mode should appear.
3. If you don’t have an option, your model doesn’t support the function.

List of officially supported smartphones:

Step 2: Activation of the regime

If your smartphone supports the function, follow the instructions:

1. Connect the device to an external display through USB-C → HDMI.
2. In the notification curtain, tap on the Desktop Mode (or Share Screen) option.
3. Select the app to display on the external screen (such as YouTube or YouTube) WPS Office).
4. On the main screen of the smartphone will display the mobile interface, and on the external – desktop version.

For manual screen splitting (if supported):

• 🔧 Go to Settings. → Screen. → Double screen mode.
• 📱 Select apps for the left and right sides of the screen.
• 🔄 Set up the aspect ratio with a slider.

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If the image on the external screen is blurry, try changing the resolution in the Desktop Mode settings. HD-monitor — 1920×1080 frequency-wise 60 Hz.

Solving Double Screen Problems

Even with the right setup, users often encounter errors: the screen is not shared, the image is flashing or one of the sources is not displayed.

Problem 1: Double screen is not turned on

If the option is inactive or not on the menu, check:

• 🔌 Connecting cables: make sure that HDMI-cable HDMI 2.0 (for) 4K) or HDMI 1.4 (for Full) HD). Cheap cables may not transmit the signal correctly.
• 📥 Update firmware: on Xiaomi TVs until 2021 release, the dual screen function could be added only in the latest versions MIUI TV.
• 🔧 Resetting settings: go to Settings → System system → Resetting settings → Reset the screen settings.

If the problem persists, try to turn on the developer mode and activate the hidden option:

1. Go to Settings. → On TV.
2. Press 7 times on the Software Version to unlock Developer Mode.
3. Go back to the Settings → Additional → Developer settings.
4. Find the Force Dual Screen Mode option and turn it on.

Problem 2: The image on one of the screens is

Delays or delays occur due to:

• 🎮 Resource-intensive applications: games or videos in 4K They can overload the processor. Try lowering the resolution to 1080p.
• 📶 Weak Wi-Fi: If the second screen is broadcasting on Miracast, make sure the router supports 5 GHz and the Wi-Fi 6 standard.
• 🔋 Energy saving mode: disable it in Settings → Nutrition.

Problem 3: No sound on one of the screens

If the sound is only produced from one source:

1. Go to Settings → Sound → Sound output.
2. Choose. HDMI ARC Optical (depending on the connection).
3. If you use Bluetooth headphones, turn them off or turn on Double Sound mode.

Attention! On Xiaomi's Android TVs TV 9 and below, the sound may not sync between the screens, so the solution is to update the firmware or use an external sound system.

Hidden Dual Screen Functions

In addition to basic settings, Xiaomi firmware has additional features for power users. ADB or a developer menu.

Function 1: Separation transparency setting

By default, the split-screen line is opaque, to make it translucent.

1. Enable Developer Mode (as described above).
2. Go to the Developer Options → Screen settings.
3. Find the option of Dual Screen Divider Transparency and set the value of 30%.

Function 2: Linking applications to screens

You can attach certain applications to specific halves of the screen:

1. Open the Settings. → Annexes → Special access → Securing annexes.
2. Select an app (like YouTube) and select the side of the screen (left or right).

Example: If you pin Netflix on the left half, when you turn on the dual screen, it will always open on the left, and on the right you can run another application.

Function 3: Hot keys for quick switching

On Xiaomi TVs with Bluetooth remotes (e.g. Mi) TV Stick Remote can be set up quickly:

• 🔄 Home + Volume Up – Change sources.
• 🔇 Home + Mute – Turn off the sound on one of the screens.
• 📺 Home + Back – Return the standard mode (one screen).

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Hidden features can cause the TV to work unstable. Before activating them, save the current settings through Settings. → System system → Backup.

Alternative ways to split the screen

If your Xiaomi device does not support dual screen hardware, you can use software solutions.

Method 1: Second Screen (for TVs)

The Second Screen app from Google Play allows you to emulate dual screens through Miracast:

1. Install the app on your TV via Google Play.
2. Connect the second source (smartphone or PC) via Wi-Fi Direct.
3. In the app, select Split View mode and set up the display.

Method 2: USB-C Hub with DisplayPort support

For Xiaomi smartphones without official dual screen support:

• 🔌 Buy a hub. USB-C → HDMI + USB-A (For example, Baseus 6-in-1).
• 🖥️ Connect the hub to your smartphone and monitor.
• 📱 Enable Screen Mirror in the Notification Curtain.

Restriction: On budget smartphones (Redmi Note 11, POCO M5) This method will only work in mirror mode, without real separation.

Method 3: Using Google Cast

If you have a Chromecast or a TV with Google Cast support:

1. Connect Chromecast to HDMI-television-port.
2. On your smartphone, open an app (like YouTube) and tap the Cast icon.
3. Select your Chromecast as your second screen.

This method does not provide a complete separation, but allows you to broadcast content from the phone to the TV in parallel with the main image.

FAQ: Frequent questions about the dual screen on Xiaomi

Attention! If the dual screen starts to overheat or spontaneously shut down after activation, turn off the function and check the air vents for dust.